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23601 Ridgecrest Court, Diamond Bar, CA 91765

$2,198,000 Approx. USD 5 beds, 5 baths
4,212 sqft

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Photo of Joseph Maghami

Marketed By Joseph Maghami REALTOR® - Sales Associate 949-813-1619 m
949-644-6200 o
Lic#: 01908118
NRDS ID: 185060093
kjmaghami@gmail.com Corona del Mar Office
3301 E. Coast Hwy
Corona del Mar, CA 92625
Phone: 949-723-7080
Fax: 949-675-2156

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Listing Agent

LILLIAN YIN | remaxlillian@gmail.com
Lic#: 01981335
Broker: Courtesy of Pinnacle Real Estate Group
Phone: 626-888-9808

Agent Remarks

Luxury, security, and sophistication define this magnificent mountain-side estate nestled in Diamond Bar’s premier 24-hour guard-gated community. Impeccably customized for personal primary living with over 300K in high-end premium upgrades, this rare move-in ready masterpiece features 5 bedrooms, 4.5 bathrooms, and a 3-car garage across 4,212 square feet of refined living space. As you enter, a grand foyer with dramatic 20-foot double-height ceilings sets an majestic tone, complemented by 9-foot ceilings throughout the house. The versatile floor plan offers a rare dual-primary layout, featuring a massive secondary primary suite on the first floor alongside two spacious living areas, while the upper level provides two additional lofts. The gourmet chef’s kitchen is a culinary dream, equipped with custom slim shaker cabinetry, top-of-the-line Sub-Zero and Wolf appliances, and a large separate walk-in pantry that functions perfectly as a secondary wok kitchen. Uncompromising craftsmanship is evident throughout, from the fully integrated smart home system and multi-layer White Oak engineered hardwood flooring to the ultra-premium imported Italian porcelain tiles in the newly renovated kitchen and all bathrooms. Complete peace of mind is ensured by brand-new plumbing and a central water softener system. Situated halfway up the mountain on a tranquil cul-de-sac, the home backs directly into the hillside for ultimate privacy and serene views, while offering unparalleled convenience to local amenities.

Listing Details

Property type: Single Family Residence (Single Family)

Status: Active

MLS# WS26137958

List price is $2,198,000 Reduced by $90,000 on 8/6/2026

Price: $2,198,000

HOA Fee is $430.00

Beds: 5

Baths: 5 (4 full) (1 half)

Family Room fireplaces

Built in 2001

4,212 sqft

2 stories

0.17 acres

Lot size: 0.1707

County: Los Angeles

Interior features: Separate/Formal Dining Room,Eat-in Kitchen,High Ceilings,Open Floorplan,Pantry,Two Story Ceilings,Bedroom on Main Level,Entrance Foyer,Galley Kitchen,Jack and Jill Bath,Loft,Multiple Primary Suites,Primary Suite,Walk-In Pantry,Walk-In Closet(s)

Appliances: SixBurnerStove,Built-In Range,Dishwasher,Gas Oven,Ice Maker,Microwave

Parking description: Driveway,Garage

Lot description: Back Yard,Front Yard,Sprinklers In Rear,Sprinklers In Front,Landscaped

Heating/cooling: Central Air,Whole House Fan

Heating description: Central,Fireplace(s),Natural Gas

MLS area: 616 - Diamond Bar

Last Updated: 8/10/2026

Days On Market (DOM): 52

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This listing belongs to the 616 - Diamond Bar MLS area

Lat/Long: 34.009621, -117.804731.
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Previous Listing

Photo of Joseph Maghami

Joseph Maghami REALTOR® - Sales Associate 949-813-1619 m
949-644-6200 o
Lic#: 01908118
NRDS ID: 185060093
kjmaghami@gmail.com
Corona del Mar Office
3301 E. Coast Hwy
Corona del Mar, CA 92625